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Thracia (Homoeodesma)

Bivalvia - Thraciida - Thraciidae

Taxonomy
Homoeodesma was named by Fischer (1887). It is extant. Its type is Thracia conradi.

It was reranked as Thracia (Homoeodesma) by Coan et al. (2000), Hendy (2020).

It was assigned to Thracia by Coan et al. (2000), Hendy (2020).

Subtaxa
Thracia (Homoeodesma) challisiana, Thracia (Homoeodesma) conradi, Thracia (Homoeodesma) trapezoides
Species lacking formal opinion data
Thracia aequilatera, Thracia alpina, Thracia altenai, Thracia amygdaloidea, Thracia asahiensis, Thracia askinae, Thracia bellardii, Thracia carinifera, Thracia cornuta, Thracia curtensata, Thracia detruncata, Thracia devexa, Thracia disjuncta, Thracia eggenburgensis, Thracia fukushimensis, Thracia gracilis, Thracia greppini, Thracia hataii, Thracia higashinodonoensis, Thracia inflata, Thracia inflata, Thracia inflata, Thracia kakumana, Thracia kamayashikensis, Thracia kamtschatica, Thracia kavranensis, Thracia kavranensis, Thracia keuperina, Thracia kidoensis, Thracia kovatschensis, Thracia lata, Thracia lens, Thracia lens, Thracia loducensis, Thracia magna, Thracia meridionalis, Thracia myopsis, Thracia necomiensis, Thracia neocomiensis, Thracia nicoleti, Thracia oregonensis, Thracia oregonensis, Thracia pertrapezoidea, Thracia phasaeolina, Thracia phaseolina, Thracia phillipsi, Thracia phillipsii, Thracia prominensis, Thracia prominensis, Thracia robinaldina, Thracia rotunda, Thracia rotundata, Thracia sanctae-crucis, Thracia seguenzai, Thracia sekii, Thracia semiplanata, Thracia shokawensis, Thracia similis, Thracia simplex, Thracia staufti, Thracia stenochora, Thracia stenochora, Thracia subrhombica, Thracia sulcata, Thracia tombecki, Thracia transversa, Thracia tristana, Thracia utcholokensis, Thracia vicksburgensis, Thracia vicksburgiana, Thracia vicksburgiana, Thracia vulvaria, Thracia watanabei, Thracia woodi

Synonymy list
YearName and author
2000Thracia (Homoeodesma) Coan et al. p. 532
2020Thracia (Homoeodesma) Hendy

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—PoromyataRidewood 1903
orderThraciida
superfamilyThracioideaStoliczka 1870
familyThraciidaeStoliczka 1870
genusThraciaBlainville 1824
subgenusHomoeodesma(Fischer 1887)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Subg. Thracia (Homoeodesma) Fischer 1887
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Thracia (Homoeodesma) trapezoides Conrad 1849 [trapezoid thracia]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Life habit: deep infaunalg
Diet: suspension feederf
Vision: blindc
Created: 2009-10-09 07:00:05
Modified: 2009-10-09 09:00:05
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Todd 2001

Age range

Maximum range based only on fossils: base of the Chattian to the top of the Late/Upper Pleistocene or 27.30000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma

Collections (72 total)


Time interval Ma Country or state Original ID and collection number
Oligocene33.9 - 23.04USA (Washington) Thracia trapezoidea (14442 96017 238098 239450 241710 241832) Thracia trapezoides (208168 208169 208178)
Chattian27.3 - 23.04USA (Washington) Thracia trapezoidea (37594 52356 52377) Thracia trapezoides (37577 37581 37583 37585 37586 180405 208172)
Aquitanian23.04 - 20.45USA (Washington) Thracia trapezoides (37560 37595)
Early/Lower Miocene23.04 - 15.98USA (Washington) Thracia trapezoidea (239444 239445 241049 241765 241840) Thracia trapezoides (37573 37574)
Burdigalian20.45 - 15.98USA (Oregon) Thracia trapezoides (39805)
Burdigalian20.45 - 15.98USA (Maryland) Thracia conradi (45493 70591)
Langhian15.98 - 13.82USA (Oregon) Thracia trapezoides (201690)
Late/Upper Miocene11.63 - 5.333USA (Washington) Thracia trapezoidea (239446 241297 241298 241299 241795)
Early/Lower Pliocene5.333 - 3.6USA (Oregon) Thracia trapezoidea (71148)
Pliocene5.333 - 2.58USA (California) Thracia trapezoides (122281 204364)
Late/Upper Pliocene3.6 - 2.58USA (North Carolina) Thracia conradi (59310)
Late/Upper Pliocene3.6 - 2.58USA (California) Thracia trapezoides (238437 238606 238619)
Piacenzian3.6 - 2.58USA (California) Thracia trapezoides (186031)
Early/Lower Pleistocene2.58 - 0.774USA (California) Thracia trapezoides (168757 231899)
Pleistocene2.58 - 0.0117USA (California) Thracia trapezoides (237604)
Pleistocene2.58 - 0.0117USA (Oregon) Thracia trapezoidea (71142)
Middle Pleistocene0.774 - 0.129USA (California) Thracia trapezoides (202634 202635 202636 202637 202638 202639 202643 202644 202647 202965 202966 222665 222666 222995 223308 223312 223314 223325 223327 223329)
Late/Upper Pleistocene0.129 - 0.0117USA (New York) Thracia conradi (61270)
Late/Upper Pleistocene0.129 - 0.0117USA (Maine) Thracia conradi (66339 80131)